



Lawson MD20 Type MD BS88, IEC60269-1 General Purpose Fuse Link 20 Amps 415V ac L:29mm x Dia ⌀: 12.7mm
MD20
Lawson MD20 Type MD BS88 General Purpose Fuse Link – 20A 415V AC, High-Fault Protection for Industrial Installations
The Lawson MD20 is a 20A cylindrical general purpose fuse link, engineered for protecting three-phase sub-circuits and high fault level industrial systems. Built to BS88: Part 1 and IEC60269-1 standards, and independently ASTA certified, it delivers robust protection with a breaking capacity of 80kA at 415V AC.
- General Purpose Industrial Use: Ideal for sub-circuits in three-phase systems with high prospective fault currents.
- Exceptional Fault Capacity: Rated at 80kA at 415V AC and 40kA at 250V DC for safe interruption in demanding environments.
- gG Utilisation Category: Provides comprehensive protection against both overloads and short circuits.
- Standards Compliant: Meets BS88: Parts 1 & 2 and IEC60269-1 & 2 for consistent and reliable protection.
- ASTA Certified: Verified under the ASTA 20 Scheme for high-integrity safety performance.
Technical Specification
- Fuse Rating: 20A
- Voltage Rating: 415V AC / 250V DC
- Breaking Capacity: 80kA at 415V AC / 40kA at 250V DC
- Utilisation Category: gG (general purpose)
- Dimensions: 12.7mm diameter x 29mm length
✅ Choose the Lawson MD20 for high-capacity, certified protection in industrial sub-circuit applications!

Breaking Capacity | 80000 Amperes |
Rated Voltage | 415 V |
Ean Code | 5036159001945 |
Connection Type | End Cap |
Product | Fuse |
Type | General Purpose |
Length | 29 mm |
Voltage | 415 V |
Material | Ceramic |
Width | 12.7 mm |
Current Rating | 20A |
Standards | BS88-1 |
Rated Current | 20 A |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.